Title :
Determining noise temperature of a noise source using calibrated noise sources and an RF attenuator
Author :
Kang, Tae-Weon ; Kim, Jeong-Jwan ; Lee, Joo-Gwang ; Park, Jeonh-Il ; Kim, Dae-Chan
Author_Institution :
Center for Electromagn., Korea Res. Inst. of Stand. & Sci. (KRISS), Daejeon, South Korea
Abstract :
A calibration system for noise sources is implemented in the frequency range of 18 GHz to 26.5 GHz. For the Y-factor method, a diode noise source and one with an RF attenuator are used as standard noise sources. Measured results and evaluated uncertainty are presented.
Keywords :
attenuators; calibration; measurement uncertainty; noise measurement; temperature measurement; RF attenuator; Y-factor method; calibration system; diode noise source; measurement uncertainty; noise temperature measurement; Attenuators; Electromagnetic measurements; Radio frequency; Temperature;
Conference_Titel :
Precision Electromagnetic Measurements (CPEM), 2010 Conference on
Conference_Location :
Daejeon
Print_ISBN :
978-1-4244-6795-2
DOI :
10.1109/CPEM.2010.5544775
